def login(driver, user, pwd):
        driver.find_element_by_id("account").click()
        driver.find_element_by_id("account").clear()
        driver.find_element_by_id("account").send_keys(user)
        driver.find_element_by_id("password").click()
        driver.find_element_by_id("password").clear()
        driver.find_element_by_id("password").send_keys(pwd)
        driver.find_element_by_xpath("//button[@type='submit']").click()